Update initial_access_azure_o365_with_network_alert.toml

Author: Samirbous

rules/cross-platform/initial_access_azure_o365_with_network_alert.toml

@@ -26,7 +26,7 @@ note = """## Triage and analysis
 #### Possible investigation steps
 
 - Investiguate all the alerts associated with the source.ip.
-  - Verify all network security alert details associated with this source.ip.
+  - Verify the network security alert details associated with this source.ip.
   - Verify all sign-in events associated with this source.ip.
   - Consider the source IP address and geolocation for the involved user account.
   - Consider the device used to sign in. Is it registered and compliant?